EP3886353A4 - Verfahren zu zeitsynchronisation einer relaisvorrichtung und verfahren dafür - Google Patents
Verfahren zu zeitsynchronisation einer relaisvorrichtung und verfahren dafür Download PDFInfo
- Publication number
- EP3886353A4 EP3886353A4 EP20879891.8A EP20879891A EP3886353A4 EP 3886353 A4 EP3886353 A4 EP 3886353A4 EP 20879891 A EP20879891 A EP 20879891A EP 3886353 A4 EP3886353 A4 EP 3886353A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- time synchronization
- method therefor
- relay
- relay apparatus
- therefor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
- H04L7/0033—Correction by delay
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15507—Relay station based processing for cell extension or control of coverage area
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/002—Mutual synchronization
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190133785A KR20210049461A (ko) | 2019-10-25 | 2019-10-25 | 중계 장치의 시간 동기화를 위한 장치 및 이를 위한 방법 |
| PCT/KR2020/006292 WO2021080105A1 (ko) | 2019-10-25 | 2020-05-13 | 중계 장치의 시간 동기화를 위한 장치 및 이를 위한 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3886353A1 EP3886353A1 (de) | 2021-09-29 |
| EP3886353A4 true EP3886353A4 (de) | 2022-02-09 |
Family
ID=75620198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20879891.8A Pending EP3886353A4 (de) | 2019-10-25 | 2020-05-13 | Verfahren zu zeitsynchronisation einer relaisvorrichtung und verfahren dafür |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11902927B2 (de) |
| EP (1) | EP3886353A4 (de) |
| KR (1) | KR20210049461A (de) |
| WO (1) | WO2021080105A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220021505A (ko) * | 2020-08-14 | 2022-02-22 | 삼성전자주식회사 | 듀티 조절 회로, 이를 포함하는 지연 동기 루프 회로 및 반도체 메모리 장치 |
| US11457422B2 (en) * | 2020-09-01 | 2022-09-27 | Kumu Networks, Inc. | System and method for repeater TDD synchronization |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100839635B1 (ko) * | 2006-11-07 | 2008-06-20 | 삼성탈레스 주식회사 | 신호간 간섭을 막는 중계 장치 |
| JP6567438B2 (ja) * | 2016-01-29 | 2019-08-28 | 株式会社東芝 | 通信中継システム、制御方法及びプログラム |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100556843B1 (ko) * | 2003-04-18 | 2006-03-10 | 엘지전자 주식회사 | 이동 통신 단말기의 업/다운 링크 동기화 장치 및 방법 |
| KR100581732B1 (ko) | 2003-09-27 | 2006-05-22 | 주식회사 에어텍시스템 | Ｔｄｄ방식의 휴대 인터넷 무선중계기의 피드백신호감소장치 |
| KR100590681B1 (ko) * | 2004-10-26 | 2006-06-19 | 에스케이 텔레콤주식회사 | 와이브로 시스템에서 ｔｄｄ 광중계기의 시간 지연 보상을위한 스위칭 시간 결정 방법 및 그를 위한 ｔｄｄ 광중계기 |
| US7817747B2 (en) * | 2006-02-15 | 2010-10-19 | Texas Instruments Incorporated | Precise delay alignment between amplitude and phase/frequency modulation paths in a digital polar transmitter |
| KR100831901B1 (ko) | 2006-11-07 | 2008-05-23 | (주)에어포인트 | 등화기가 포함된 적응형 귀환 예측 소거기를 이용한 무선중계 장치 및 그 방법 |
| KR100842534B1 (ko) * | 2006-12-14 | 2008-07-01 | 삼성전자주식회사 | Ｔｄｄ 방식의 광중계기에서 전송 신호를 분리하는 스위치제어 신호 생성 방법 및 시스템 |
| KR100847394B1 (ko) | 2006-12-20 | 2008-07-18 | 엘지노텔 주식회사 | 휴대 데이터 통신 시스템에서 ｒａｓ와 ｒｒｈ사이의 시간지연을 측정 및 보상하는 방법 |
| KR20080093746A (ko) * | 2007-04-18 | 2008-10-22 | 삼성전자주식회사 | 저잡음 증폭기를 상하향 공용으로 구성하는 시분할 이중화방식의 원격 스테이션 및 이를 이용한 유선 중계 방법 |
| KR20120072040A (ko) | 2010-12-23 | 2012-07-03 | 한국전자통신연구원 | 지연 보상 분산형 기지국 시스템 |
| KR101490382B1 (ko) * | 2014-08-21 | 2015-02-09 | 주식회사 서화정보통신 | Tdd 무선 송수신 시스템의 스위치 장치 및 방법 |
| KR101566295B1 (ko) * | 2015-01-09 | 2015-11-06 | 주식회사알에프윈도우 | 이동통신 중계기의 tdd 타임스위칭 장치 |
-
2019
- 2019-10-25 KR KR1020190133785A patent/KR20210049461A/ko not_active IP Right Cessation
-
2020
- 2020-05-13 WO PCT/KR2020/006292 patent/WO2021080105A1/ko unknown
- 2020-05-13 EP EP20879891.8A patent/EP3886353A4/de active Pending
-
2021
- 2021-05-05 US US17/308,369 patent/US11902927B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100839635B1 (ko) * | 2006-11-07 | 2008-06-20 | 삼성탈레스 주식회사 | 신호간 간섭을 막는 중계 장치 |
| JP6567438B2 (ja) * | 2016-01-29 | 2019-08-28 | 株式会社東芝 | 通信中継システム、制御方法及びプログラム |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2021080105A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US11902927B2 (en) | 2024-02-13 |
| US20210258904A1 (en) | 2021-08-19 |
| EP3886353A1 (de) | 2021-09-29 |
| KR20210049461A (ko) | 2021-05-06 |
| WO2021080105A1 (ko) | 2021-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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| 17P | Request for examination filed |
Effective date: 20210622 |
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| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20220111 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04W 56/00 20090101ALI20220104BHEP Ipc: H04L 7/033 20060101ALI20220104BHEP Ipc: H03L 7/087 20060101ALI20220104BHEP Ipc: H03L 7/081 20060101ALI20220104BHEP Ipc: H04B 7/155 20060101ALI20220104BHEP Ipc: H04L 7/00 20060101AFI20220104BHEP |
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| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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| 17Q | First examination report despatched |
Effective date: 20240430 |